Engines the product recognises
Each of these is a file, not code. It says which tables an engine keeps its data in, what each one becomes in the canon, and what is deliberately left behind.
Amazon
amazon · format 4 · built-in
- Entities
- 3
- Tables
- 1
- Links
- 0
- Meta keys
- 0
- Declared drops
- 9
Recognised by
Tables rather than a version string: a version can be absent, wrong, or in a table the engine renamed. Which tables exist is always true.
amazon-listings
1 of 1 needed
What each table becomes (3)
| Table | Becomes | Narrowed by | Fields |
|---|---|---|---|
| amazon-listings | Commerce.Product | parent_sku = | 8 |
| amazon-listings | Commerce.Variant | parent_sku is filled in | 5 |
| amazon-listings | Media.File | main_image_url is filled in | 4 |
Never migrated (9 declared)
Whatever a preset declares, anything that looks like a credential is held back anyway — a preset written by hand will forget one, and the rule cannot. A target issues its own credentials, so carrying an old one over has no use that outweighs holding it.
- amazon-listings.feed_product_typeWhich of Amazon’s category templates this row was written against. It says what the extra columns mean, and it means nothing outside Amazon
- amazon-listings.update_deleteWhether this row was an addition, a correction or a removal
- amazon-listings.condition_typeNew, used or refurbished — Amazon’s own vocabulary for it
- amazon-listings.merchant_shipping_group_nameWhich of the seller’s shipping templates applies
- amazon-listings.fulfillment_center_idWhether Amazon holds the stock, which is a fact about Amazon
- amazon-listings.product_tax_codeAmazon’s tax category, which the target decides by its own rules
- amazon-listings.browse_nodesWhere the listing sits in Amazon’s own category tree
- amazon-listings.relationship_typeAmazon’s word for how the child relates to the parent
- amazon-listings.variation_themeWhich attribute the variants differ by, in Amazon’s vocabulary